Re: [Xen-devel] Unstable fail to load dom0

[Andrew Lyon <andrew.lyon@xxxxxxxxx>]

On Fri, Mar 27, 2009 at 2:21 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Fri, 2009-03-27 at 10:16 -0400, Andrew Lyon wrote:
>> Hi,
>>
>> I just tried to upgrade one of my systems to Xen unstable, Xen itself
>> boots ok but it hangs after "Loading dom0", I think the cause of the
>> problem is that the necessary support for loading compressed kernel
>> (vmlinuz/bzImage) was not compiled in properly, I seem to recall that
>> recently the compression code was updated and now supports many
>> different compression schemes, what libs etc are required to build
>> with support for bzImage and vmlinuz?
>
> For domain0 the decompression code is built into the hypervisor itself
> and only supports gzip style compression (historically the only choice).
>
> Therefore your kernel config must have:
>        CONFIG_KERNEL_GZIP=y
>        # CONFIG_KERNEL_BZIP2 is not set
>        # CONFIG_KERNEL_LZMA is not set
>
> Ian.
>
>
>
>

Hmm, not that then, any ideas why it would hang immeediatly after
"loading dom0" ?

The same grub entry works perfectly if Xen 3.3.1 is installed, it is
loading xen.gz which is symlinked to the installed version.

Andy

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